Mathematics
NULL
Medium
Question
Sides of a rectangular park are in the ratio 3 : 2 and its area is 3750 m². The cost of fencing it at 50 paise per metre is _______?
A
Rs.150
B
Rs.100
C
Rs.125
✓ Official correct answer
D
Rs.175
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A
Rs.150
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B
Rs.100
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C
Rs.125
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D
Rs.175
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Explanation
3k × 2k = 3750 ⇒ k = 25. Sides 75 m and 50 m; perimeter = 250 m. Cost = 250 × 0.50 = Rs. 125.